In this article researchers found that where you live does affect your expected rate of longevity. What was surprising to these researchers was that higher-income did not necessarily mean that there would be an increased life expectancy.
Reasearchers and medical doctors usually blame lack of access to doctors and hospitals to lower death rates and higher life expectancy.
Could it be that these lower income people don't have as much access to high-risk elective surgery and drugs without dangerous side effects?
There are studies that show that in places where doctors have gone on strike-the death rate has actually gone DOWN for that period.
Medical mistakes in this country kill over 186,000 people in the United States every year.
The medical establishment will never look at these statistics from that angle, but maybe you should.